APA (7th ed.) Citation

Zack. (2012). Bike boy rides again: By Zack. [Pseud., d. i.: Oliver Frey] (2. Auflage.). Gmünder.

Chicago Style (17th ed.) Citation

Zack. Bike Boy Rides Again: By Zack. [Pseud., D. I.: Oliver Frey]. 2. Auflage. Berlin: Gmünder, 2012.

MLA (8th ed.) Citation

Zack. Bike Boy Rides Again: By Zack. [Pseud., D. I.: Oliver Frey]. 2. Auflage. Gmünder, 2012.

Warning: These citations may not always be 100% accurate.